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Shikaribetsu volcano consists of a group of andesitic-to-dacitic lava domes west and south of Lake Shikaribetsu in central Hokkaido. The youngest domes, which were mapped as Holocene (Japan Association of Quaternary Research, 1987), were constructed along a ENE-WSW line south of the lake. The age of the latest eruptions is not known precisely, but is less than 20,000 years (Nakano et al., 2001-). The largest dome, Higashi-Nupukaushinupuri, was built at the SW, breached end of a horseshoe-shaped crater. Two or more large debris-avalanche deposits extend to the south.

This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.

Domes

Feature Name

Feature Type

Elevation

Latitude

Longitude

Hakuun-zan

Dome

Higashi-Nupukaushinupuri

Dome

Nishi-Nupukaushinupuri

Dome

Tenbo-san

Dome

Shikaribetsu volcano, seen here from the SE, consists of a group of lava domes west and south of Lake Shikaribetsu. The youngest domes, which were mapped as Holocene, were constructed along a ENE-WSW line south of the lake. The largest dome, Higashi-Nupukaushi (left), was built at the breached SW end of a horseshoe-shaped crater, whose NE rim forms the small peak right of the summit. Two or more large debris-avalanche deposits extend to the south. No historical eruptions are known from the Shikaribetsu group.

Photo by Hiromitsu Yamagishi (Geological Survey of Hokkaido).

The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title.

WOVOdat is a database of volcanic unrest; instrumentally and visually recorded changes in seismicity, ground deformation, gas emission, and other parameters from their normal baselines. It is sponsored by the World Organization of Volcano Observatories (WOVO) and presently hosted at the Earth Observatory of Singapore.

EarthChem develops and maintains databases, software, and services that support the preservation, discovery, access and analysis of geochemical data, and facilitate their integration with the broad array of other available earth science parameters. EarthChem is operated by a joint team of disciplinary scientists, data scientists, data managers and information technology developers who are part of the NSF-funded data facility Integrated Earth Data Applications (IEDA). IEDA is a collaborative effort of EarthChem and the Marine Geoscience Data System (MGDS).